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parser: Fix crash when xf86nameCompare(s1 = x, s2 = NULL) 

Signed-off-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Adam Jackson 2017-01-23 11:31:36 -05:00
parent 455051a0f1
commit f1f865e909
1 changed files with 2 additions and 0 deletions
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2
hw/xfree86/parser/scan.c
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@ -1046,6 +1046,8 @@ xf86nameCompare(const char *s1, const char *s2)
return 0; return 0;
else else
return 1; return 1;
} else if (!s2 || *s2 == 0) {
return -1;
} }
while (*s1 == '_' || *s1 == ' ' || *s1 == '\t') while (*s1 == '_' || *s1 == ' ' || *s1 == '\t')